US5086866A - Motorcycle having body height adjustor - Google Patents

Motorcycle having body height adjustor Download PDF

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Publication number
US5086866A
US5086866A US07/603,120 US60312090A US5086866A US 5086866 A US5086866 A US 5086866A US 60312090 A US60312090 A US 60312090A US 5086866 A US5086866 A US 5086866A
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US
United States
Prior art keywords
body height
motorcycle
hydraulic
rear cushion
height
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US07/603,120
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English (en)
Inventor
Tetsuya Banjo
Eiji Iida
Katsuhiko Tokunaga
Satoshi Kiyota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Showa Corp
Original Assignee
Suzuki Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP27715489A external-priority patent/JP2841562B2/ja
Priority claimed from JP1989125101U external-priority patent/JP2508600Y2/ja
Priority claimed from JP27996089A external-priority patent/JPH03143794A/ja
Priority claimed from JP12712889U external-priority patent/JPH0371991U/ja
Priority claimed from JP13010289U external-priority patent/JPH0368187U/ja
Priority claimed from JP1990061277U external-priority patent/JP2546022Y2/ja
Application filed by Suzuki Motor Corp filed Critical Suzuki Motor Corp
Assigned to SUZUKI KABUSHIKI KAISHA reassignment SUZUKI KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: BANJO, TETSUYA, IIDA, EIJI, KIYOTA, SATOSHI, TOKUNAGA, KATSUHIKO
Publication of US5086866A publication Critical patent/US5086866A/en
Application granted granted Critical
Assigned to KABUSHIKI KAISHA SHOWA SEISAKUSHO reassignment KABUSHIKI KAISHA SHOWA SEISAKUSHO ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: SUZUKI KABUSHIKI KAISHA
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/017—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their use when the vehicle is stationary, e.g. during loading, engine start-up or switch-off
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/033—Spring characteristics, e.g. mechanical springs and mechanical adjusting means characterised by regulating means acting on more than one spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K13/00—Cycles convertible to, or transformable into, other types of cycles or land vehicle
    • B62K13/08—Frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/41—Fluid actuator
    • B60G2202/413—Hydraulic actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/80—Interactive suspensions; arrangement affecting more than one suspension unit
    • B60G2204/81—Interactive suspensions; arrangement affecting more than one suspension unit front and rear unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/12—Cycles; Motorcycles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/25—Stroke; Height; Displacement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/30—Height or ground clearance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
    • B62K25/00—Axle suspensions
    • B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
    • B62K2025/045—Suspensions with ride-height adjustment

Definitions

  • This invention relates to a motorcycle having a body height adjustor for adjusting the body height based upon changes in the lengths of the front suspension and a rear cushion unit.
  • a type of motorcycle has been proposed which has a body height adjustor which is capable of adjusting the body height by using a front suspension and a rear cushion unit.
  • a body height adjustor which is capable of adjusting the body height by using a front suspension and a rear cushion unit.
  • pressurized oil is supplied to or discharged from each one of the hydraulic jacks of the front suspension and the rear cushion unit so as to change the lengths of the front suspension and the rear cushion unit and, hence, to change the body height of the vehicle.
  • Another type of body height adjustor is known in which hydraulic hoses are provided for hydraulic communication between the front suspension and a body height adjusting unit and between the body height adjusting unit and a rear cushion unit. Through these hydraulic hoses, pressurized oil is supplied from the body height adjusting unit to the hydraulic jacks of the front suspension and the rear cushion unit or is discharged from the same so as to change the lengths of the front suspension and the rear cushion unit, thereby adjusting the body height of the cycle.
  • a variation of this body height adjustor which improves the assembly performance of the motorcycle frame is possible in which two hoses detachably connected by means of a hose connector are provided in place of the hydraulic hose connecting the front suspension and the body height adjusting unit. However, if such a hose connector is disposed in front of the front suspension or at the rear of the body height adjusting unit, the hydraulic hose layout is rendered complicated.
  • the body height adjusting unit of the above-described body height adjustor is disposed closer to the rear cushion unit, it is necessary to carefully design the layout of the hydraulic hose connecting the body height adjusting unit and the front suspension. That is, it is necessary to avoid obstruction by means of the hydraulic hose to the steering operation of the front fork.
  • a motorcycle upon which the above-described body height adjustor is provided is constructed so as to be able to stand stably when the side stand is set upright on the condition that the body height is set to a lower height lever.
  • the body height is set to a higher height level
  • the rider may fail to confirm whether the motorcycle body is in the higher position or lower position before setting the side stand upright, while the motorcycle body is maintained at the higher position.
  • a first object of the present invention is to provide a motorcycle having a body height adjustor which is capable of easily adjusting the body height of the cycle without losing body height balance in the longitudinal direction of the motorcycle, and which is free from the risk of influence of heat upon the pressurized fluid.
  • a second object of the present invention is to provide a motorcycle having a body height adjustor in which a hydraulic hose connected by means of a hose connector is simplified so as to reduce the hydraulic hose length.
  • a third object of the present invention is to provide a motorcycle having a body height adjustor in which the hydraulic hose layout is improved so as to avoid obstruction by means of the hydraulic hose to the steering operation.
  • a fourth object of the present invention is to provide a motorcycle having a body height adjustor which is capable of improving the stability with which the motorcycle stands.
  • a motorcycle having a body being adjustable in height, and comprising: a front fork supported axially and rotatably upon a body frame, the front fork supporting a front wheel in a shock absorbing manner by means of a pair of front suspension units; a rear cushion unit supported upon the body frame, the rear cushion unit supporting a rear wheel in a shock absorbing manner; an engine mounted upon the body frame so as to drive and rotate the rear wheel; and a body height adjustor capable of adjusting the body height of the motorcycle by changing the lengths of the front suspension units and the rear cushion unit, the body height adjustor including: a first hydraulic jack provided upon the rear cushion unit so as to enable body height adjustment; second hydraulic jacks provided upon the front suspension units so as to enable body height adjustment; and a body height adjusting unit capable of transmitting hydraulic pressure of a pressurized fluid within the rear cushion unit to the first and second hydraulic jacks through means of hydraulic hoses, the body height adjusting unit having an adjusting operation member
  • an exhaust pipe extending from the engine is mounted upon the body frame, and the body height adjusting unit is placed in a position opposite to that of the exhaust pipe with respect to the body frame.
  • the pressurized fluid can be simultaneously supplied to the hydraulic jacks of the front suspension units and the rear cushion unit by means of the operation of the single adjusting operation member, thereby making it possible to adjust the body height of the motorcycle while maintaining the body height balance in the longitudinal direction of the motorcycle. Since the body height adjusting unit is disposed upon the side of the rear cushion unit remote from the exhaust pipe, there is no risk of the pressurized fluid being deteriorated by means of heat and no risk of the rider suffering a burn when he or she operates the adjusting operation member.
  • a motorcycle which has a body which is adjustable in height, comprising: a front fork supported axially and rotatably upon a body frame, the front fork supporting a front wheel in a shock absorbing manner by means of a pair of front suspensions; a rear cushion unit supported upon the body frame, the rear cushion unit supporting a rear wheel in a shock absorbing manner; an engine mounted upon the body frame so as to drive and rotate the rear wheel; and a body height adjustor capable of adjusting the body height of the motorcycle by changing the lengths of the front suspensions and the rear cushion unit, the body height adjustor including: a first hydraulic jack provided upon the rear cushion unit so as to enable body height adjustment; second hydraulic jacks provided upon the front suspensions so as to enable body height adjustment; a body height adjusting unit capable of transmitting hydraulic pressure of a pressurized fluid within the rear cushion unit to the first and second hydraulic jacks through means of hydraulic hoses; and a hose connector provided upon the hydraulic hose
  • the front hydraulic hoses connecting the front suspensions and the body height adjusting unit can be arranged in substantially a straight line because the hose connector is disposed at the rear of the front suspensions and in front of the body height adjusting unit. It is therefore possible to simplify the layout of the hydraulic hoses as well as to reduce the overall hose length.
  • a motorcycle which has a body which is adjustable in height, comprising: a front fork supported axially and rotatably upon a body frame, the front fork supporting a front wheel in a shock absorbing manner by means of a pair of front suspensions; a rear cushion unit supported upon the body frame, the rear cushion unit supporting a rear wheel in a shock absorbing manner; an engine mounted upon the body frame so as to drive and rotate the rear wheel; and a body height adjustor capable of adjusting the body height of the motorcycle by changing the lengths of the front suspensions and the rear cushion unit, the body height adjustor including: a first hydraulic jack provided upon the rear cushion unit so as to enable body height adjustment; second hydraulic jacks provided upon the front suspensions so as to enable body height adjustment; and a body height adjusting unit capable of transmitting hydraulic pressure of a pressurized fluid within the rear cushion unit to the first and second hydraulic jacks through means of hydraulic hoses; wherein the hydraulic hoses connecting the body height
  • the hydraulic hoses connected to the front suspensions extend from the upper ends of the front suspensions and are positioned at the center of the front fork as considered in the widthwise direction thereof. Therefore the state of the hydraulic hoses is not influenced by the steering operation comprising the turning of the front fork to the left or right. That is, there is no risk of the hydraulic hoses obstructing the steering operation of the front fork.
  • a motorcycle which has a body which is adjustable in height, comprising: a front fork supported axially and rotatably upon a body frame, the front fork supporting a front wheel in shock absorbing manner by means of a pair of front suspensions; a rear cushion unit supported upon the body frame, the rear cushion unit supporting a rear wheel in a shock absorbing manner; an engine mounted upon the body frame so as to drive and rotate the rear wheel; a body height adjustor capable of adjusting the body height of the motorcycle by changing the lengths of the front suspensions and the rear cushion unit; and an ignition switch capable of starting the engine; the body height adjustor including: a first hydraulic jack provided upon the rear cushion unit so as to enable body height adjustment; second hydraulic jacks provided upon the front suspensions so as to enable body height adjustment; and a body height adjusting unit capable of transmitting hydraulic pressure of a pressurized fluid from the rear cushion unit to the first and second hydraulic jacks through means of hydraulic hoses; the body height adjustor including: a first hydraulic jack provided upon the
  • the blow valve is opened so as to discharge the pressurized fluid within the hydraulic hoses and the hydraulic jacks.
  • the initial loads upon the front suspensions and the rear cushion units can be reduced so as to set the body height to a lower height level.
  • the body inclination at the time of stoppage becomes smaller, thereby improving the stability of the motorcycle.
  • a motorcycle which has a body which is adjustable in height, comprising: a front fork supported axially and rotatably upon a body frame, the front fork supporting a front wheel in a shock absorbing manner by means of a pair of front suspensions; a rear cushion unit supported upon the body frame, the rear cushion unit supporting a rear wheel in a shock absorbing manner; an engine mounted upon the body frame so as to drive and rotate the rear wheel; a body height adjustor capable of adjusting the body height of the motorcycle by changing the lengths of the front suspensions and the rear cushion unit; and a handlebar fixed to the upper end of the front fork; the body height adjustor including: a first hydraulic jack provided upon the rear cushion unit so as to enable body height adjustment; second hydraulic jacks provided upon the front suspensions so as to enable body height adjustment; a body height adjusting unit having a body height changeover valve capable of transmitting hydraulic pressure of a pressurized fluid from the rear cushion unit to the first and second
  • the rider can always confirm the body height of the motorcycle because the body height position indicator indicates the present body height based upon the signal from the body height position detector.
  • the body height position indicator indicates the present body height based upon the signal from the body height position detector.
  • the rider can set the motorcycle in the lower body height position by observing the body height position indicator when he stops the motorcycle, thereby preventing falling of the motorcycle at the time of stoppage.
  • a motorcycle which has a body which is adjustable in height, comprising: a front fork supported axially and rotatably upon a body frame, the front fork supporting a front wheel in a shock absorbing manner by means of a pair of front suspensions; a rear cushion unit supported upon the body frame, the rear cushion unit supporting a rear wheel in a shock absorbing manner; an engine mounted upon the body frame so as to drive and rotate the rear wheel; a body height adjustor capable of adjusting the body height of the motorcycle by changing the lengths of the front suspensions and the rear cushion unit; and a side stand attached to the body frame and capable of being set upright and being retracted; and wherein each of the front suspensions and the rear cushion unit are formed as a combination of a coil spring and a hydraulic damper; the body height adjustor including; a first hydraulic jack provided upon the rear cushion unit so as to adjust the body height by moving the upper end of the coil spring of the rear cushion unit upwardly or downwardly;
  • the rider can know the condition of the adjustment of the body height of the motorcycle through means of the window and can immediately determine any maladjustment of the adjusting operation or an adjustment error, thereby enabling re-adjustment.
  • the possibility of parking the motorcycle in the lower position with the side stand properly positioned is therefore increased.
  • the motorcycle can stand with increased stability and is substantially free from the possibility of falling over.
  • the window since the window is disposed at a position opposite to the side stand, the window faces upward as a result of the inclination of the motorcycle body so as to be easy to observe with the eye.
  • FIG. 1 is a side view of a motorcycle having a body height adjustor constructed in accordance with a first embodiment of the present invention
  • FIG. 2 is a schematic view in the direction of the arrow 2 of FIG. 1;
  • FIG. 3 is a cross-sectional view of a rear cushion unit, a body height adjusting unit and other members shown in FIG. 1;
  • FIG. 4 is a cross sectional view of a front suspension and other members shown in FIG. 1;
  • FIG. 5 is a cross-sectional view taken along the line 5--5 in FIG. 3;
  • FIG. 6 is a view in the direction of the arrow 6 of FIG. 3, showing the attachment of the body height adjusting unit;
  • FIG. 7 is a view in the direction of the arrow 7 of FIG. 6;
  • FIG. 8 is a cross-sectional view of a hose connector
  • FIG. 9 is a side view of a motorcycle having a body height adjustor constructed in accordance with a second embodiment of the present invention.
  • FIG. 10 is a cross-sectional view taken along the line 10--10 of FIG. 9;
  • FIG. 11 is a side view of a motorcycle having a body height adjustor constructed in accordance with a third embodiment of the present invention.
  • FIG. 12 is a view in the direction of the arrow 12 of FIG. 11;
  • FIG. 13 is a cross-sectional view taken along the line 13--13 of FIG. 11;
  • FIG. 14 is a cross sectional view of a rear cushion unit, a body height adjusting unit and other members shown in FIG. 11;
  • FIG. 15 is a cross-sectional view of a front suspension shown in FIG. 11;
  • FIG. 16 is a side view of a motorcycle having a body height adjustor constructed in accordance with a fourth embodiment of the present invention.
  • FIG. 17 is a cross-sectional view of a body height adjusting unit of the body height adjustor shown in FIG. 16;
  • FIG. 18 is a cross-sectional view of a blow valve, in its OPEN state, by means of an ignition switch;
  • FIG. 19 is a schematic diagram of the body height adjusting unit and the ignition switch of FIG. 16;
  • FIG. 20 is a view in the direction of the arrow 20 of FIG. 19;
  • FIG. 21 is a side view of a motorcycle having a body height adjustor constructed in accordance with a fifth embodiment of the present invention.
  • FIG. 22 is a view in the direction of the arrow 22 of FIG. 21;
  • FIG. 23A is a side view of a body height adjusting unit shown in FIG. 23A, showing the operation of the body height position detector;
  • FIG. 23B is a side view of a part of the body height adjusting unit provided with a body height position detector
  • FIG. 24 is a side view of a motorcycle having a body height adjustor constructed in accordance with a sixth embodiment of the present invention.
  • FIG. 25 is an enlarged cross-sectional view of an upper portion of the rear cushion unit shown in FIG. 24.
  • FIG. 26 is a cross-sectional view taken along the line 26--26 of FIG. 25.
  • FIG. 1 shows a motorcycle having a body height adjustor constructed in accordance with a first embodiment of the present invention.
  • a front fork 2 for supporting a front wheel 1 is disposed in front of a body frame 3, and a rear wheel 5 supported by means of a rear suspension 4 is disposed at the rear of the body frame 3.
  • a seat 6 is disposed upon the body frame 3, astride which the rider sits while operating a handlebar 7 and driving the motorcycle.
  • the front fork 2 is an inverted type front fork formed of a pair of left and right front suspensions 8 and 9.
  • the front suspensions 8 and 9 are supported by means of an upper bracket 10 and a lower bracket 11 upon the body frame 3 through means of an unillustrated steering shaft and a head pipe.
  • the front suspensions 8 and 9 serve to absorb shock from the front wheel 1 and attenuate the vibration thereof.
  • the rear suspension 4 has a swing arm 13 upon which the rear wheel 5 is axially supported and which is supported by means of a pivot 12 upon the body frame 3, and a rear cushion unit 14 supported at its upper end upon the body frame 3 and at its lower end upon the swing arm 13 through means of a link mechanism (not shown).
  • the rear cushion unit 14 accommodates up-down movement of the swing arm 13 upon the pivot 12 so as to attenuate the vibration of this motion and to thereby reduce shock from the rear wheel 5.
  • Hydraulic jacks 42 and 41 are incorporated within the front suspensions 8 and 9 and the rear cushion unit 14, respectively, and a body height adjusting unit 15 is disposed within the vicinity of the rear cushion unit 14.
  • the hydraulic jacks 42 of the front suspensions 8 and 9 and the body height adjusting unit 15 are connected by means of front hydraulic jack 41 of the rear cushion unit 14 and the body height adjusting unit 15 are connected by means of a rear hydraulic hose 17 upon the rear body side, thereby forming a body height adjustor 18.
  • a hose connector 19 is provided in series with the front hydraulic hoses 16.
  • FIG. 1 there is also illustrated a front fender 20, a head lamp housing 21, a seat rail 22 upon the body frame 3, a stand 23, an engine 24, and an exhaust pipe 25 connected to the engine 24.
  • the rear cushion unit 14 is constituted by means of a rear oil damper 26 and a rear coil spring 27 wound around the rear oil damper 26.
  • the rear oil damper 26 rapidly attenuates the vibration of the coil spring 27 by means of the resistance of the pressurized oil contained within its cylinder 28, wherein such resistance is caused when the pressurized oil flows through small holes defined within a piston 29 and a valve 29A.
  • the interior of the cylinder 28 communicates with an oil chamber 32 of a reserve tank 31 shown in FIGS. 5 and 6 through means of a connecting hose 30 and a fluid passage formed within the body height adjusting unit 15.
  • the interior of the reserve tank 31 is partitioned by means of a piston 33 into the oil chamber 32 and an air chamber 34.
  • each of the front suspensions 8 and 9 is constituted by means of an inner tube 35 supported upon the front wheel 1 and an outer tube 36 incorporating a front oil damper.
  • the front oil damper rapidly attenuates the vibration of a front coil spring 37 disposed within the inner tube 35.
  • the body height adjusting unit 15 is disposed within the vicinity of the rear cushion unit 14 under the seat rail 22 and above the pivot 12. As shown in FIG. 2, the rear cushion unit 14 is disposed at the center of the body frame 3 as considered in the widthwise direction, and the body height adjusting unit 15 is disposed upon the side of the rear cushion unit 14 remote from the exhaust pipe 25. An adjusting operation member 40 to be described later is attached to the body height adjusting unit 15 upon the outer side of the motorcycle.
  • the body height adjusting unit 15 is attached to a seat pillar 124 by means of a fixing bracket 122 and an attachment bracket 123, as shown in FIGS. 6 and 7.
  • the fixing bracket 122 is fixed to the seat pillar 124
  • the attachment bracket 123 is fixed to the fixing bracket 122 by means of bolts 125
  • the reserve tank 31 integrally combined with the body height adjusting unit 15 is secured to the attachment bracket 123 by means of metallic bands 125A and other members.
  • the body height adjusting unit 15 has, as shown in FIGS. 3 and 5, a spool valve 39 which is rotatably disposed at the center of an adjusting unit body 38, and to which the adjusting operation member 40 also shown in FIG. 6 is integrally connected.
  • the spool valve 39 is changed over by means of the rotation of the adjusting operation member 40 to a high position so as to increase the body height or to a low position so as to reduce the body height.
  • the hydraulic pressures of the pressurized oil to be transmitted to the hydraulic jacks 42 of the front suspensions 8 and 9 and the hydraulic jack 41 of the rear cushion unit 14 are transmitted simultaneously.
  • the hydraulic jack 41 has, as shown in FIG. 3, a jack piston 44 disposed inside a jack cylinder chamber 43.
  • the extent of movement of the jack piston 44 is transmitted to a spring guide 46 through means of a spacer 45 so as to change the initial load upon the spring 27. Accordingly, as the pressurized oil flows into the jack cylinder chamber 43 of the hydraulic jack 41 from the body height adjusting unit 15, the jack piston 44 is moved so as to bias the spring guide 46 downwardly, and the rear cushion unit 14 is thereby extended so as to increase the body height of the cycle to the high body height position.
  • Each of the hydraulic jacks 42 of the front suspensions 8 and 9 has, as shown in FIG. 4, a jack piston 48 disposed inside a jack cylinder chamber 47 formed within the outer tube 36.
  • the extent of movement of the jack piston 48 is transmitted to a spring guide 52 through means of a plunger 49, a ring 50 and a spacer 51.
  • the two front hydraulic hoses 16 are connected to fork caps 52A of the left and right front suspensions 8 and 9 so as to introduce the pressurized oil contained within the front hydraulic hoses 16 into the jack cylinder chambers 47.
  • the adjusting operation member 40 is rotated so as to change over the spool valve 39 to the low position. Then the pressurized oil within the hydraulic jack 41 of the rear cushion unit 14 (refer to FIG. 3) is returned to the oil chamber 32 of the reserve tank 31 by means of the rear hydraulic hose 17 and the fluid passage within the body height adjusting unit 15 under the influence of the weight of the motorcycle body. Also, the pressurized oil within each of the hydraulic jacks 42 of the front suspensions 8 and 9 (refer to FIG. 4) is returned to the joint 61 of the hose connector 19 upon the front fork side under the influence of the weight of the motorcycle body.
  • the pressurized oil within the joint 62 upon the body height adjusting unit side is thereby returned to the oil chamber 32 of the reserve tank 31 through means of the body height adjusting unit 15.
  • the initial loads upon the coil spring 27 of the rear cushion unit 14 and the coil springs 37 of the front suspensions 8 and 9 are thereby reduced, so that the rear cushion unit 14 and the front suspensions 8 and 9 are contracted, thereby reducing the body height of the cycle to the low body height position.
  • a first blow valve 53 and a second blow valve 54 are provided as shown in FIG. 5.
  • the first blow valve 53 has a piston 55 and a spring 56 for biasing the piston 55.
  • the piston 55 moves upwardly against the biasing force of the spring 56 so as to discharge a part of the pressurized oil into the oil chamber 32 of the reserve tank 31, as indicated by means of the arrow H of FIG. 5, if the pressure of the pressurized oil flowing into the body height adjusting unit 15 from the rear oil damper 26 by means of the communication hose 30 (refer to FIG. 3) becomes equal to or higher than a predetermined pressure at the time of changeover of the spool valve 39 to the high position.
  • a ball 57 is loosely disposed within a push piece 58, and a spring 60 is provided between the push piece 58 and a spring guide 59 which is threadedly secured within the adjusting unit body 38.
  • the hose connector 19 provided for the hydraulic hoses 16 is constituted by means of the joint 61 upon the front fork side and the joint 62 upon the body height adjusting unit side, as shown in FIGS. 4, 3 and 8.
  • a free piston 64 is slidably disposed within a cylinder 63, and a hose connecting member 65 is fixed to one end of the cylinder 63.
  • the cylinder 63 is filled with the pressurized oil.
  • the two front hydraulic hoses 16 are connected at their respective one ends to the hose connecting member 65 and at the other ends to the hydraulic jacks 42 of the front suspensions 8 and 9.
  • An oil seal 66 is attached to an outer peripheral portion of the free piston 64 so as to prevent the pressurized oil from leaking.
  • a push rod 67 projects outwardly from the free piston 64.
  • an outer cylinder 67' is loosely disposed about the outer peripheral surface of the cylinder 63.
  • the position of the outer cylinder 67' is restricted in the longitudinal direction of the cylinder 63 by means of a ring 68 fixed upon the cylinder 63.
  • a female thread 69 is formed upon an inner circumferential surface portion of a top end portion of the outer cylinder 67'.
  • the joint 62 upon the body height adjusting unit side is formed in the same manner as the joint 61 upon the front fork side.
  • a free piston 71 is disposed within a cylinder 70, and the hose connecting member 72 is fixed to an end of the cylinder 70.
  • the front hydraulic hose 16 is connected at its one end to the hose connecting member 72 and at the other end to the body height adjusting unit 15.
  • An oil seal 73 is also attached to the free piston 71.
  • An outer cylinder 74 is loosely disposed about the outer peripheral surface of the cylinder 70. The position of the outer cylinder 74 is restricted by means of a ring 75 fixed upon the cylinder 70, and a male thread 76 is formed upon an outer circumferential surface of the outer cylinder 74.
  • Spanners (not shown) are fitted upon nut portions 77 and 78 of the respective outer cylinders 67' and 74 are operated so as to mesh the female thread 69 of the joint 61 o the front fork side with the male thread 76 of the joint 62 upon the body height adjusting unit side, thereby connecting the joint 61 upon the front fork side and the joint 62 upon the adjusting unit side, as seen in FIG. 8.
  • the push rod 67 of the joint 61 upon the front fork side abuts against the free piston 71 of the joint 62 upon the adjusting unit side, and the free pistons 64 and 71 are linked by means of the push rod 67.
  • Upper and lower half sections of FIG. 8 indicate the leftward and rightward movements of the free pistons 64 and 71, respectively.
  • the adjusting operation member 40 of the body height adjusting unit 15 is rotated so as to change over the spool valve 39 to the high position when the motorcycle travels upon rough ground or the like.
  • the pressurized oil within the rear cushion unit 14 is thereby supplied in a pressurized state to the hydraulic jack 41 of the rear cushion unit 14 and to the hydraulic jacks 42 of the front suspension units 8 and 9 by mean of the body height adjusting unit so as to increase the lengths of the rear cushion unit 14 and the front suspension units 8 and 9 thereby increasing the body height of the motorcycle and, hence, the road clearance.
  • the spool valve 39 of the body height adjusting unit 15 is changed over to the low position so as to discharge the pressurized oil within the hydraulic jacks 41 and 42 and thereby reduce the lengths of the rear cushion unit 14 and the front suspension units 8 and 9.
  • the body height of the motorcycle is thereby reduced so that the rider' s feet can easily reach the ground.
  • the pressurized oil can be simultaneously supplied to the hydraulic jacks 42 and 41 of the front suspensions 8 and 9 and the rear cushion unit 14 by means of the operation of rotating the single adjusting operation member 40, thereby making it possible to adjust the body height of the motorcycle while maintaining the body height balance in the longitudinal direction of the motorcycle.
  • the body height adjusting unit 15 is disposed upon the side of the rear cushion unit 14 remote from the exhaust pipe 25, as seen in FIG. 2, there is no risk of the pressurized oil being deteriorated by means of the heat from the exhaust system and no risk of the rider suffering a burn when he or she operates the adjusting operation member 40.
  • the connection hose 30 can be shortened. It is therefore possible to improve the response of hydraulic pressure transmission from the cylinder 28 of the rear cushion unit 14 to the hydraulic jacks 42 and 41 of the front suspensions 8 and 9 and the rear cushion unit 14 through means of the body height adjusting unit 15.
  • the adjusting operation member 40 of the body height adjusting unit 15 is attached to the adjusting unit body 38 upon the outer side of the motorcycle body. Therefore it can be easily operated by means of the rider, and the body height adjustor can be manufactured at a lower cost in comparison with a remote control type adjustor and can be free from operational errors.
  • FIG. 9 is a side view of a motorcycle having a body height constructed in accordance with a second embodiment of the present invention. Components of this embodiment identical or corresponding to those of the first embodiment are indicated by means of the same reference symbols, and the description for them will not be repeated.
  • the hose connector 19 of the second embodiment is disposed at the rear of the front suspensions 8 and 9 and in front of the body height adjusting unit 15.
  • the hose connector 19 is attached to the body frame 3 by means of an attachment bracket 279, as shown in FIGS. 9 and 10.
  • the attachment bracket 279 is secured together with an engine suspension plate 280 to the body frame 3 by means of bolt fasteners 281.
  • An auxiliary bracket 282 is fixed upon the attachment bracket 279 by means of bolts 283.
  • the hose connector 19 is pinched between the attachment bracket 279 and the auxiliary bracket 282.
  • the second embodiment has the following effects along with those of the first embodiment. Because the hose connector 19 is disposed at the rear of the front suspensions 8 and 9 and in front of the body height adjusting unit 15, the front hydraulic hoses 16 connecting the front suspensions 8 and 9 and the body height adjusting unit 15 upon the front side of the motorcycle can be disposed along the body frame 3 in a substantially straight line. It is therefore possible to simplify the layout of the hydraulic hoses 16 as well as to reduce the overall hose length. As a result, the degree of freedom of the layout of the front hydraulic hoses 16 is thereby increased, the body height adjustor can be reduced in cost, and it is possible to limit the reduction in efficiency normally caused by means of an expansion of the hydraulic hoses 16 and the like.
  • FIG. 11 is a side view of a motorcycle having a body height adjustor constructed in accordance with a third embodiment of the present invention. Components of this embodiment identical or corresponding to those of the first embodiment are indicated by means of the same reference symbols, and the description for them will not be repeated.
  • the hose connector 19 of the first embodiment is not provided within the front hydraulic hoses 316, and consequently the body height adjusting unit 15 is directly connected to the hydraulic jacks 42 of the front suspensions 8 and 9 by means of the front hydraulic hoses 316. Accordingly, when the body height of the motorcycle is increased, the pressurized oil flows from the motorcycle adjusting unit 15 into the hydraulic jacks 42, or when the body height of the motorcycle is reduced, the pressurized oil within the hydraulic jacks 42 flows into the oil chamber 32 of the reserve tank 31 by means of the body height adjusting unit 15, as shown in FIGS. 14 and 15.
  • a pair of front hydraulic hoses 316 are respectively connected to fork caps 52A attached to upper ends of the front suspensions 8 and 9. As shown in FIGS. 12 and 13, the hydraulic hoses 316 are led downwardly upon the motorcycle front side of the upper and lower brackets 10 and 11 along a line connecting the centers of these brackets 10 and 11 as considered in the widthwise direction of the motorcycle, are led between the lower bracket 11 and the front fender 20 and then between the lower side of a fuel tank 19' and an upper portion of the engine 24 as shown in FIG. 11 as considered, and are connected to the body height adjusting unit 15.
  • the third embodiment has the following effects along with those of the first embodiment. Because the front hydraulic hoses 316 extending from the fork caps 52A are positioned at the centers of the upper and lower brackets 10 and 11 in the widthwise direction of the motorcycle, that is, corresponding to the center of the front fork 2 as considered in the widthwise direction of the cycle, the state of the hydraulic hoses 316 is not influenced by means of the steering operation of the front fork 2 to the left or right. That is, there is no risk of the hydraulic hoses 316 obstructing the steering operation.
  • the front hydraulic hoses 316 are positioned in front of the upper and lower brackets 10 and 11, and the head lamp housing 21 is disposed in front of the hydraulic hoses 316.
  • the head lamp housing 21 therefore serves to protect the front hydraulic hoses 316 and to reduce the risk of damage to the hydraulic hoses 316.
  • the hydraulic hoses 316 are led between the lower bracket 11 and the front fender 20, the hydraulic hoses 316 are protected by means of the front fender 20 from stones or the like which may be scattered or thrown downwardly by means of the front wheel 1, whereby the risk of damage to the hydraulic hoses 316 is further reduced.
  • the front hydraulic hoses 316 connected to the fork caps 52A are positioned in front of the upper and lower brackets 10 and 11.
  • the front hydraulic hoses 316 may be led downwardly along a path disposed behind the upper and lower brackets 10 and 11 and upon bilateral sides of a head pipe 61 and may then be led apart from each other to the left and to the right or bundled together toward the rear of the motorcycle, as indicated by means of the double-dot-dash lines in FIGS. 12 and 13.
  • FIG. 16 is a side view of a motorcycle having a body height adjustor constructed in accordance with a fourth embodiment of the present invention
  • FIG. 17 is a cross-sectional view of the body height adjustor shown in FIG. 16.
  • Components of this embodiment identical or corresponding to those of the first embodiment are indicated by means of the same reference symbols, and the description for them will not be repeated.
  • the body height adjusting unit 15 has a second blow valve 463 in which a ball 466 is loosely disposed within a push piece 467 and in which a spring 469 is disposed between the push piece 467 and a spring guide 468. Furthermore, a body height correction shaft 471 upon which a cam 470 is formed is rotatably disposed at the rear of the spring guide 468. A roller 472 is loosely disposed upon the back surface of the spring guide 468 so as to engage an outer peripheral surface portion of the body height correction shaft 471 and the cam 470.
  • Reference symbol 473 designates a cap.
  • the second blow valve 463 has a first function of returning the pressurized oil within the front hydraulic hoses 16 and the rear hydraulic hose 17 to the oil chamber 32 of the reserve tank 31 as indicated by means of the arrow I so as to prevent the hydraulic hoses 16 and 17 from being damaged when the motorcycle jumps during moving operations and where spool valve 39 is disposed at the high changeover position.
  • the second blow valve 463 also has a second function of correcting the body height of the motorcycle by forcibly reducing the body height when the motorcycle is stopped. That is, as shown in FIG. 19, a correction lever 474 is integrally fixed to the body height correction shaft 471.
  • the correction lever 474 and an ignition switch lever 475 are connected by means of a link cable 476.
  • the correction lever 474 is biased by means of a return spring 474A to an UP position.
  • An outer cable 477 of the link cable 476 is fixed at its one end to the body height adjusting unit body 38 by means of a cable bracket 478 and at the other end to a cable bracket 479.
  • the cable bracket 479 is attached to an ignition case 481 in which an ignition switch 480 for starting the engine 24 is housed, as is shown in FIG. 20. Accordingly, the link cable 476 is led toward the front end of the body frame 3 by means of a lower portion of the same, as shown in FIG. 16.
  • An inner cable 482 of the link cable 476 is attached at its one end to the correction lever 474 and at the other end to the ignition switch lever 475, as shown in FIG. 19.
  • the ignition switch lever 475 is integrally rotatable with the ignition switch 480 and is pivotably attached to the inner cable 482 by means of a pin 483.
  • the ignition switch lever 475 is disposed at an UP position (indicated by means of the dot-dash line in FIG. 19) when the ignition switch 480 is turned ON, and it is disposed at a DOWN position (indicated by means of the solid line in FIG. 19) when the ignition switch 480 is turned OFF.
  • the ignition switch lever 475 is in the UP position and the correction lever 474 is also maintained in the UP position by means of the inner cable 482.
  • the outer peripheral surface of the body height correction shaft 471 contacts the roller 472 and the fluid passage of the second blow valve 463 is closed by means of the ball 466.
  • the ignition switch lever 475 When the ignition switch 480 is turned OFF (as indicated by means of the solid line in FIG. 19), the ignition switch lever 475 is disposed in the DOWN position (indicated by means of the solid line in FIG. 19) and the correction lever 474 is also disposed in the DOWN position (indicated by means of the solid line in FIG. 19) by means of the inner cable 482 of the link cable 476. At this time, as shown in FIG. 18, the body height correction shaft 471 is rotated so that the cam 470 engages the roller 472.
  • the spring guide 468, the spring 469, the push piece 467 and the ball 466 are moved toward the body height correction shaft 471 so as to open the second blow valve 463 and thereby discharge the pressurized oil from the hydraulic hoses 16 and 17 into the oil chamber 32 of the reserve tank 31, as indicated by means of the arrow I.
  • the hydraulic pressure of the pressurized oil within each of the hydraulic jacks 42 and 41 of the front suspensions 8 and 9 and the rear cushion unit 14 is thereby reduced so that the initial loads upon the front suspensions 8 and 9 and the rear cushion unit 14 are reduced, thereby reducing the body height of the motorcycle to the same height as that set by changing over the spool valve 39 to the low body height position.
  • the fourth embodiment has the following effects along with those of the first embodiment. That is, the second blow valve 463 is constructed so as to be opened, as a result of being linked to the operation of the ignition switch 480, when the ignition switch 480 is turned OFF, through means of the body height correction shaft 471, the correction lever 474 and the link cable 476 and thereby discharge the pressurized oil from the hydraulic hoses 16 and 17 into the oil chamber 32 of the reserve tank 31.
  • the body height of the motorcycle can be reduced when the motorcycle is stopped and when the ignition switch 480 is turned OFF after travelling in a state where the spool valve 39 has been changed over to and maintained in the high position.
  • the ignition switch 480 is turned ON and when the motorcycle is again started, the body height of the cycle is increased.
  • the body height of the motorcycle can be automatically changed from the lower height to the higher height or from the higher height to the lower height by means of the ON/OFF operation of the ignition switch 480.
  • FIG. 21 is a side view of a motorcycle having a body height adjustor constructed in accordance with a fifth embodiment of the present invention. Components of this embodiment identical or corresponding to those of the first embodiment are indicated by means of the same reference symbols, and the description for them will not be repeated.
  • a body height position detector 570 such as, for example, that shown in FIGS. 23A and 23B is attached to the adjusting unit body 38.
  • a projecting portion 571 is integrally formed upon the adjusting operation member 40 at the center of the same so as to extend outwardly from the motorcycle body.
  • a cam 572 is formed on the projecting portion 571 upon one side thereof. The cam 572 is rotated as a result of being linked to the operation of rotating the adjustment operation member 40, that is, to the operation of changing over the spool valve 39.
  • FIG. 23A shows the state in which the spool valve 39 is in the low changeover position
  • FIG. 23B shows the state in which the spool valve 39 is in the high changeover position.
  • a switching piece 573 of the body height detector 570 comprises a flexible member having an end portion capable of constantly contacting the outer peripheral surface of the projection portion 571 and the cam 572.
  • a switch 574 of the body height detector 570 is brought into contact with the switching piece 573 so as to be turned ON when the spool valve 39 is changed over to the low body height position (FIG. 23A).
  • the end portion of the switching piece 573 is brought into contact with the cam 572, and the switch 574 is thereby no longer in contact with the switching piece 573 and is turned OFF.
  • a signal representing the ON/OFF state of this switch 574 is transmitted through suitable wiring 575 to a body height position indicator 576 mounted within a meter panel 577 as shown in FIGS. 21 and 22.
  • the meter panel 577 is disposed upon the head lamp housing 21 which is disposed within the vicinity of the handlebar 7. Within the meter panel 577 there is provided, along with the body height position indicator 576, a speedometer 578, a tachometer 579, a fuel gauge 580, and a water temperature gauge 581.
  • the lamp of the body height position indicator 576 is turned ON by means of the ON signal from the body height detector 570 or is turned OFF by means of the OFF signal from the same. That is, the body height position indicator 576 is illuminated when the motorcycle body is in the lower position.
  • the body height position detector 570 effects ON/OFF operation by means of the changeover operation of the spool valve 39, the lamp of the body height position indicator 576 is turned ON/OFF by means of this ON/OFF operation, and the body height position indicator 576 is provided within the meter panel 577 from which the body height indication of the motorcycle can be easily read by means of the rider.
  • the rider can therefore recognize that the motorcycle body height is in the lower position if the body height position indicator 576 is illuminated. Accordingly, when it is desired to park the motorcycle by using the side stand 23, the illuminated state of the body height position indicator 756 can be previously confirmed before the side stand 23 is used. The body inclination can therefore be small when the side stand 23 is used, thus preventing falling of the motorcycle during standing.
  • the higher position or the lower position of the body height of the motorcycle is confirmed by means of the on/off state of the lamp of the body height position indicator 576.
  • the following arrangement may alternatively be adopted. That is, two body height position detectors 570 may be provided upon on the adjusting unit body 38 of the body height adjusting unit 15, and the body height position indicator 576 comprises two juxtaposed lamps for respectively indicating the high and low height positions of the motorcycle.
  • One of the body height position detectors 570 illuminates the low position lamp of the body height position indicator 576 when the spool valve 39 is changed over to the low height position, and the other body height position detector 570 illuminates the high position lamp of the body height position indicator 576 when the spool valve 39 is changed over to the high height position.
  • This arrangement ensures that the motorcycle body position can be confirmed more definitely by means of the rider.
  • FIG. 24 is a side view of a motorcycle having a body height adjustor constructed in accordance with a sixth embodiment of the present invention. Components of this embodiment identical or corresponding to those of the first embodiment ar indicated by means of the same reference symbols, and the description for them will not be repeated.
  • the front fork 2 for supporting the front wheel 1 comprises front suspensions 8 and 9 each constituted by means of a front coil spring and a front oil damper, and a rear cushion unit 629 which is constituted by means of a rear coil spring 27 and a rear oil damper 26, it comprises a monosuspension, and is interposed between the body frame 3 and the swing arm 13 for supporting the rear wheel 5.
  • FIG. 25 shows an upper portion of the rear cushion unit 629.
  • a cylinder 28 of the rear oil damper 26 is formed at the center thereof, and an upper end of the rear coil spring 27 wound around the cylinder 28 engages a spring guide 633 which is disposed around the outer periphery of the cylinder 28 and which is slidable in the axial direction of the cylinder 28.
  • a rear hydraulic jack 636 constituted by means of a cylinder 634 and an annular piston 635 is disposed within an upper portion of the cylinder 28. The lower end of the piston 635 engages the spring guide 633.
  • the spring guide 33 and the upper end of the rear coil spring 27 are moved downwardly or upwardly by means of the supply or discharge of the hydraulic pressure to or from the rear hydraulic jack 636, and the rear cushion unit 629 is thereby expanded or contracted, thereby adjusting the body height of the motorcycle to a higher or lower height level.
  • An outer peripheral portion of the rear hydraulic jack 636 is covered by means of a dust cover 630 formed of rubber or the like.
  • the side stand 23 is provided upon the right hand side of the motorcycle as viewed from the front of the motorcycle.
  • a transparent window 631 is formed within a side portion of the dust cover 630 upon the side of the motorcycle body remote from the side stand 23, that is, upon the left hand side of the motorcycle as viewed from the front of the motorcycle.
  • Indication marks 632 are printed or inscribed within the surface of the dust cover 630 within the vicinity of the window 631.
  • the outer peripheral portion of the spring guide 633 can be seen through the transparent window 631. It is thereby possible to easily discriminate at a glance whether the motorcycle body is in the high position H or low position L.
  • the sixth embodiment has the following effects along with those of the first embodiment. Since transparent window 631 faces upwardly by being inclined when the side stand 23 is used, the inside of the window 631 can be easily seen in this state. Ordinarily, the rear cushion unit 629 is disposed within an inner space of the motorcycle body and is not easy to see because it is a non-suspension unit. However, the arrangement of this embodiment makes it easy to see the inside of the transparent window 631 and to determine the body height of the motorcycle because the window 631 faces upwardly as described above.
  • the motorcycle body can therefore be set in the lower height or level position by re-adjustment, of, for example, the adjusting operation member 40 and the spool valve 39 operatively associated therewith, so as to achieve a stabilized standing attitude.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Vehicle Body Suspensions (AREA)
US07/603,120 1989-10-26 1990-10-25 Motorcycle having body height adjustor Expired - Lifetime US5086866A (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP1-277154 1989-10-26
JP27715489A JP2841562B2 (ja) 1989-10-26 1989-10-26 車高調整装置のホース連結装置
JP1-125101[U]JPX 1989-10-27
JP1989125101U JP2508600Y2 (ja) 1989-10-27 1989-10-27 自動２輪車の車高調整装置
JP27996089A JPH03143794A (ja) 1989-10-30 1989-10-30 車高調整装置の油圧ホースレイアウト
JP12712889U JPH0371991U (es) 1989-11-01 1989-11-01
JP13010289U JPH0368187U (es) 1989-11-09 1989-11-09
JP1990061277U JP2546022Y2 (ja) 1990-06-12 1990-06-12 自動２輪車の車高調整装置

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EP (2) EP0424942B1 (es)
DE (2) DE69007233T2 (es)
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US5711390A (en) * 1994-08-30 1998-01-27 Honda Giken Kogyo Kabushiki Kaisha Motorcycle height adusting method and apparatus
US6176503B1 (en) * 1999-06-23 2001-01-23 Gary D. George Triple-tree and riser structure for a motorcycle
WO2001070563A1 (de) 2000-03-20 2001-09-27 Andreas Felsl Fahrrad
US6483201B1 (en) * 2000-07-17 2002-11-19 John Klarer Motorcycle safety switch
US6520524B1 (en) 1998-12-18 2003-02-18 Vincenzo F. Costa Motorcycle suspension components
EP1291277A2 (de) 2000-03-20 2003-03-12 Andreas Felsl Fahrrad-Verstelleinrichtung
US20030205870A1 (en) * 2002-05-01 2003-11-06 Dunlap William L. Hangers for trailer height adjustment
US20040232650A1 (en) * 2001-07-06 2004-11-25 Andreas Felsl Bicycle
US20060064223A1 (en) * 2004-09-20 2006-03-23 Darrell Voss Vehicle systems and method
US20060124371A1 (en) * 2004-12-09 2006-06-15 Charlie Montgomery Method and an assembly for selectively adjusting the height and load capacity of a motorized assembly and a motorized assembly incorporating the method
US20060151225A1 (en) * 2004-12-27 2006-07-13 Yamaha Hatsudoki Kabushiki Kaisha Vehicle having front and rear frames
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US7546894B1 (en) 2006-07-03 2009-06-16 Glenn Aaron L Motorcycle suspension frame
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US20130015633A1 (en) * 2011-07-11 2013-01-17 Honda Motor Co., Ltd. Saddle type vehicle
CN103660836A (zh) * 2012-09-18 2014-03-26 株式会社昭和 机动二轮车
US8864146B2 (en) * 2012-09-18 2014-10-21 Showa Corporation Vehicle height control device for motorcycle
US8888107B2 (en) * 2012-09-19 2014-11-18 Showa Corporation Motorcycle
US20150091261A1 (en) * 2013-09-29 2015-04-02 Elka Suspension Inc. Dual Inline Hydraulic Device
US20190032746A1 (en) * 2017-07-31 2019-01-31 Honda Motor Co., Ltd. Saddle-type vehicle
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JPH10181329A (ja) * 1996-12-25 1998-07-07 Hino Motors Ltd 車高調節装置
DE10347595A1 (de) * 2003-10-14 2005-05-25 Bayerische Motoren Werke Ag Motorrad mit höhenverstellbarem Fahrwerk
NL2007728C2 (en) 2011-11-06 2013-05-08 Tractive Suspension B V Adjustable telescopic fork for a motorcycle, externally adjustable fork tube assembly, suspension system and motorcycle comprising the same.
JP5938057B2 (ja) * 2014-03-28 2016-06-22 株式会社ショーワ 車高調整装置、車高調整装置用の制御装置およびプログラム
DE102016220747A1 (de) * 2016-10-21 2018-04-26 Thyssenkrupp Ag Steinschlagschutz für einen Schwingungsdämpfer und einen Schwingungsdämpfer mit Steinschlagschutz für Kraftfahrzeuge
KR102474342B1 (ko) * 2016-12-16 2022-12-05 현대자동차 주식회사 휠 높이 조절구조를 갖는 자전거
EP3492361A1 (en) 2017-12-01 2019-06-05 Werner Müller Level adjustment for motorcycles
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US5201384A (en) * 1989-10-26 1993-04-13 Suzuki Kabushiki Kaisha Motorcycle having body height adjusting mechanism
US5348112A (en) * 1993-02-19 1994-09-20 Works Performance Products, Inc. Motorcycle height adjuster
US5711390A (en) * 1994-08-30 1998-01-27 Honda Giken Kogyo Kabushiki Kaisha Motorcycle height adusting method and apparatus
US6520524B1 (en) 1998-12-18 2003-02-18 Vincenzo F. Costa Motorcycle suspension components
US6176503B1 (en) * 1999-06-23 2001-01-23 Gary D. George Triple-tree and riser structure for a motorcycle
DE10066061B4 (de) * 2000-03-20 2005-09-01 Stephan Albrecht Fahrrad-Verstelleinrichtung
WO2001070563A1 (de) 2000-03-20 2001-09-27 Andreas Felsl Fahrrad
EP1291277A2 (de) 2000-03-20 2003-03-12 Andreas Felsl Fahrrad-Verstelleinrichtung
US6688626B2 (en) 2000-03-20 2004-02-10 Andreas Felsl Bicycle
US7017928B2 (en) 2000-03-20 2006-03-28 Andreas Felsl Bicycle
DE10025901B4 (de) * 2000-03-20 2004-11-11 Stephan Albrecht Fahrrad
US6483201B1 (en) * 2000-07-17 2002-11-19 John Klarer Motorcycle safety switch
US20040232650A1 (en) * 2001-07-06 2004-11-25 Andreas Felsl Bicycle
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US7255359B2 (en) * 2001-07-06 2007-08-14 Andreas Felsl Bicycle
US6708988B2 (en) * 2002-05-01 2004-03-23 Dexter Axle Company Hangers for trailer heights adjustment
US20030205870A1 (en) * 2002-05-01 2003-11-06 Dunlap William L. Hangers for trailer height adjustment
US20060064223A1 (en) * 2004-09-20 2006-03-23 Darrell Voss Vehicle systems and method
US20060124371A1 (en) * 2004-12-09 2006-06-15 Charlie Montgomery Method and an assembly for selectively adjusting the height and load capacity of a motorized assembly and a motorized assembly incorporating the method
WO2006063340A2 (en) * 2004-12-09 2006-06-15 Charles James Montgomery Motorized assembly with selective height and load adjusting means
WO2006063340A3 (en) * 2004-12-09 2006-12-07 Charles James Montgomery Motorized assembly with selective height and load adjusting means
US7287761B2 (en) * 2004-12-09 2007-10-30 Charles James Montgomery Method and an assembly for selectively adjusting the height and load capacity of a motorized assembly and a motorized assembly incorporating the method
US7497294B2 (en) * 2004-12-27 2009-03-03 Yamaha Hatsudoki Kabushiki Kaisha Vehicle having front and rear frames
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Also Published As

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EP0424942A1 (en) 1991-05-02
DE69007233D1 (de) 1994-04-14
EP0424942B1 (en) 1994-03-09
EP0544649A3 (en) 1993-06-23
ES2049890T3 (es) 1994-05-01
EP0544649B1 (en) 1996-05-29
DE69027223D1 (de) 1996-07-04
EP0544649A2 (en) 1993-06-02
DE69027223T2 (de) 1996-10-10
ES2087591T3 (es) 1996-07-16
DE69007233T2 (de) 1994-06-16

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